LexDanaLexDanabeta
Inventor

Fumio Tazawa

Inventor
Kashiwa, JP

Overview

78→
Patents
2000–2021
Patent span
Physics
Primary field (CPC G)

Patents· 78 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary
G03GElectrography64%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
LOC167%
A41CCorsets3%
F16DCouplings for transmitting rotation1%
Y10TTechnical subjects covered by former us classification1%
PatentTitleYear
10,983,458Developer supply container, developer supplying system and image forming apparatus202110,948,849Developer supply container202110,754,276Developer supply container and developer supplying system202010,520,881Developer supply container and developer supplying system201910,520,882Developer supply container and developer supplying system201910,514,654Developer supply container and developer supplying system201910,496,033Developer supply container and developer supplying system201910,496,032Developer supply container and developer supplying system201910,488,814Developer supply container and developer supplying system201910,379,462Developer supply container, developer supplying system and image forming apparatus having filtered venting201910,295,957Developer supply container and developer supplying system201910,289,061Developer supply container and developer supplying system201910,289,060Developer supply container and developer supplying system201910,209,667Developer supply container and developer supplying system201910,203,631Developer supply container and developer supplying system201910,191,412Developer supply container and developer supplying system having pump operated developer discharge20199,753,402'Developer supply container and developer supplying system'20179,720,348'Developer supply container and developer supplying system'20179,632,455'Developer supply container and developer supplying system'20179,354,551'Developer supply container and developer supplying system'20169,354,549'Developer supply container, developer supplying apparatus and image forming apparatus'20169,354,550'Developer supply container and developer supplying system'20169,323,177'Developer supply container and developer supplying system'20169,256,194'Developer supply container'20169,229,368'Developer supply container and developer supplying system having pump operated developer discharge'20169,229,364'Developer supply container and developer supplying system'20169,213,262'Developer supply container and developer supplying system'20159,046,820'Sealing member, toner accommodating container and image forming apparatus'20158,909,094'Sealing member, toner accommodating container and image forming apparatus'20148,565,649'Developer supply container and developer supplying system'2013D0689129'Toner supplying cartridge'2013D0686274'Toner supplying cartridge'2013D0685841'Toner supplying cartridge'20138,290,394'Sealing member, toner accommodating container and image forming apparatus'20128,045,901'Sealing member, toner accommodating container and image forming apparatus'20117,970,321'Sealing member, toner accommodating container and image forming apparatus'20117,965,963'Sealing member, toner accommodating container and image forming apparatus'20117,890,027'Sealing member, toner accommodating container and image forming apparatus'20117,881,645'Sealing member, toner accommodating container and image forming apparatus'20117,742,724'Developer supply container and image forming apparatus'20107,738,817'Developer supply container and image forming apparatus'20107,647,012'Sealing member, toner accommodating container and image forming apparatus'20107,577,385'Toner supplying container and image forming apparatus'20097,539,445'Developer supply container and image forming apparatus'20097,483,660'Developer supply container'20097,469,113'Sealing member, toner accommodating container and image forming apparatus'20087,433,633'Toner supply container having a coupling member for engaging and receiving a rotational force from a cylindrical member'20087,430,390'Toner supplying container and image forming apparatus'20087,430,384'Sealing member, toner accommodating container and image forming apparatus'20087,386,251'Toner supply container including a coupling member for engaging and receiving a driving force from a cylindrical member'20087,382,997'Sealing member, toner accommodating container and image forming apparatus'20087,376,369'Sealing member, toner accommodating container and image forming apparatus'20087,369,798'Developer supply container and image forming apparatus'20087,352,975'Developer supplying apparatus'20087,324,777'Sealing member, toner accommodating container and image forming apparatus'20087,292,811'Toner supplying container and image forming apparatus'20077,203,449'Toner supplying container and image forming apparatus'2007D0538331'Toner bottle'20077,127,193'Sealing member, toner accommodating container and image forming apparatus'20067,116,931'Toner supply container and image forming apparatus'2006D0529542'Toner bottle'20067,079,788'Developer cartridge and image forming apparatus'20067,039,347'Toner supply container and image forming apparatus'20066,990,301'Sealing member, toner accommodating container and image forming apparatus'20066,947,690'Developer supply container'20056,944,417'Toner supply container and image forming apparatus'20056,934,494'Driving force receiving member and driving mechanism'20056,920,298'Sealing member, toner accommodating container and image forming apparatus'20056,879,789'Sealing member, toner accommodating container and image forming apparatus'20056,766,133'Toner supplying container with shutter and related rotatable member feature and image forming apparatus using same'20046,438,345'Toner supplying container and image forming apparatus'20026,314,261'Toner container and toner replenishing mechanism'2001D0448795'Toner supplying cartridge for photocopier'20016,292,644'Toner replenishing container and toner replenishing apparatus'20016,289,193'Toner supply container and toner receiving container for receiving toner from same'20016,278,853'Recycling method of toner container'20016,049,685'Toner supply container detachably mountable to a main assembly of an image forming apparatus'2000D0422302'Toner cartridge for photocopier'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2021Patents assigned to CANON KK (76)· patent assignee history
2000–2009Based in Numazu, JP· patent location history
2000Based in Shizuoka, JP· patent location history
2005–2015Based in Abiko, JP· patent location history
2005–2014Based in Chiba, JP· patent location history
2006–2021Based in Kashiwa, JP· patent location history
2012–2016Patents assigned to MURAKAMI KATSUYA (7)· patent assignee history
2012–2016Patents assigned to TAZAWA FUMIO (7)· patent assignee history
2013–2016Patents assigned to NAGASHIMA TOSHIAKI (5)· patent assignee history
2013–2016Patents assigned to OKINO AYATOMO (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK762000–2021
MURAKAMI KATSUYA72012–2016
TAZAWA FUMIOself72012–2016
NAGASHIMA TOSHIAKI52013–2016
OKINO AYATOMO52013–2016
Locations
LocationPatentsSpan
Kashiwa, JP382006–2021
Abiko, JP172005–2015
Numazu, JP122000–2009
Chiba, JP102005–2014
Shizuoka, JP12000